Home / 1,905,845.28-2,631,297.36-1,181,467.14

Finding the Fourth Proportional to 1,905,845.28, 2,631,297.36 and 1,181,467.14

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Solution

The fourth proportional to 1,905,845.28, 2,631,297.36 and 1,181,467.14 is: 1,631,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,845.28 : 2,631,297.36 = 1,181,467.14 : x
  2. Step 2: Convert to fraction form
    1,905,845.28/2,631,297.36 = 1,181,467.14/x
  3. Step 3: Cross multiply
    1,905,845.28x = 2,631,297.36 × 1,181,467.14
  4. Step 4: Simplify right side
    1,905,845.28x = 3,108,791,366,408.75
  5. Step 5: Solve for x
    x = 3,108,791,366,408.75/1,905,845.28
  6. Step 6: Final answer
    x = 1,631,187.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.